Was not this sanctifying, or setting apart the firstborn, intended principally to shadow forth a gospel mercy! Jesus the first-born among many brethren, was set apart by God. See John 17:19; Romans 8:29. And hence is not the church of believers called the Church of the firstborn? Hebrews 12:23.
Related Commentaries of Exodus 13:1
Exodus 13:1-2
1 And the LORD spake unto Moses, saying,
2 Sanctify unto me all the firstborn, whatsoever openeth the womb among the children of Israel, both of man and of beast: it is mine.